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UP polytechnic Lecturer (EE) Quiz 11

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Question 1

Poisson’s equation is derived with the following assumption about the medium. The medium is:

Question 2

A potential distribution is given as V = 9x² + 8y + 5z³. If density in c/m³ at (1, 1, 1) is –96 ε_o then the permittivity of medium is

Question 3

The concept of time varying electric field producing a magnetic field is given by

Question 4

The Maxwell’s equation which is derived from Ampere law is ______.

Question 5

Two charges are placed at a distance apart. Now, if a glass slab is inserted between them then the force between the charge will

Question 6

The flux-density at a distance of 0.1 m from a long straight wire, carrying a current of 200 A is

Question 7

Two vectors V₁ and V₂ are orthogonal if their dot product is

Question 8

Lorentz force is based on

Question 9

Match the physical laws given in List-I with its application given in List-II and select the correct combination given in options.

List-I :

(a) Coulomb’s law

(b) Biot’s law

(d) Gauss’s law

List-II :

(i) Force due to current in a conductor

(ii) Force on a charged element

(iii) Magnetic flux density

(iv) Electric flux density

Question 10

If the magnitude of electrical field between parallel plate capacitor is reduced to half of the previous value, then stored energy will:

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Jul 31AE & JE Exams